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Dr. Marissa Cantu, MD

San Antonio, TX

Accepting patients

Affiliated with a Castle Connolly Top Hospital

    Who is Dr. Cantu, Pediatric Emergency Medicine Specialist in San Antonio, TX?

    Dr. Marissa Cantu, MD is a Pediatric Emergency Medicine Specialist, who primarily practices in San Antonio, TX with 2 additional practice locations. She is board certified. Dr. Cantu graduated from University of Nebraska College of Medicine and completed her residency at LSU HEALTH SCIENCES. Dr. Cantu is fluent in English, and is currently seeing new patients. Dr. Cantu’s practice accepts Medicare, UnitedHealthcare and other major insurance plans. To book an appointment or to confirm insurance options, please call Dr. Cantu’s office at (210) 358-1972.

    Where did Dr. Cantu go to medical school and complete their residency?

    • Residency: LSU HEALTH SCIENCES

    • Medical School: University of Nebraska College of Medicine

    What languages does Dr. Cantu speak?

    Dr. Cantu and their clinical team can communicate with patients in the following languages:

    • English

    What conditions does Dr. Cantu treat?

    As a Pediatric Emergency Medicine Specialist, Dr. Cantu diagnoses, treats, and manages a wide range of conditions. This condition information is derived from anonymized insurance claims and highlights the medical conditions most commonly treated by Dr. Cantu. It provides insight into the doctor’s areas of experience and expertise based on real-world patient encounters from the past two years, updated quarterly.

    Also known as:

    • Common Cold
    • Upper Respiratory Infection
    • Head Cold
    • Cold Symptoms

    ICD-10 Codes:

    • J069: Acute upper respiratory infection, unspecified

    Also known as:

    • Viral Infection
    • Virus Infection
    • Viral Illness
    • Common Virus

    ICD-10 Codes:

    • B349: Viral infection, unspecified

    Also known as:

    • Vomiting
    • Nausea and Vomiting
    • Throwing up
    • Emesis
    • Puking
    • Feeling Sick and Throwing Up
    • Stomach Flu Symptoms
    • Queasy and Vomiting

    ICD-10 Codes:

    • R1110: Vomiting, unspecified
    • R112: Nausea with vomiting, unspecified

    Also known as:

    • Fever
    • High temperature
    • Pyrexia
    • Elevated body temperature

    ICD-10 Codes:

    • R509: Fever, unspecified

    Also known as:

    • COVID-19
    • COVID-19 (Coronavirus Disease 2019)
    • Coronavirus Disease 2019
    • SARS-CoV-2 Infection
    • Novel Coronavirus

    ICD-10 Codes:

    • U071: COVID-19

    Also known as:

    • Viral Intestinal Infection
    • Gastroenteritis
    • Viral Infection
    • Viral Gastroenteritis (Stomach Flu)
    • Viral stomach flu
    • Viral enteritis
    • Viral gut infection

    ICD-10 Codes:

    • A084: Viral intestinal infection, unspecified

    Also known as:

    • Skin Rash
    • Rashes
    • Skin Eruption
    • Hives
    • Dermatitis
    • Skin Inflammation

    ICD-10 Codes:

    • R21: Rash and other nonspecific skin eruption

    Also known as:

    • Head Injury
    • Head Injuries
    • Head Trauma
    • Cranial Injury
    • Brain Injury

    ICD-10 Codes:

    • S0990XA: Unspecified injury of head, initial encounter

    Also known as:

    • Constipation
    • Difficulty Passing Stool
    • Infrequent Bowel Movements
    • Hard Stools

    ICD-10 Codes:

    • K5900: Constipation, unspecified

    Also known as:

    • Widespread Abdominal Pain
    • Abdominal Pain
    • General stomach pain
    • Overall belly pain
    • Diffuse abdominal pain

    ICD-10 Codes:

    • R1084: Generalized abdominal pain

    Also known as:

    • Acute Cough
    • Cough
    • Sudden cough
    • Short-term cough
    • New cough

    ICD-10 Codes:

    • R051: Acute cough

    Also known as:

    • Cough
    • Coughing
    • Persistent cough
    • Chronic cough

    ICD-10 Codes:

    • R059: Cough, unspecified

    Also known as:

    • Seizures
    • Epilepsy
    • Convulsions
    • Fits

    ICD-10 Codes:

    • R569: Unspecified convulsions

    Also known as:

    • Stuffy Nose
    • Nose Injuries and Disorder
    • Blocked nose
    • Nasal congestion
    • Congested nose

    ICD-10 Codes:

    • R0981: Nasal congestion

    Also known as:

    • Sore Throat
    • Acute pharyngitis
    • Throat inflammation
    • Acute throat infection

    ICD-10 Codes:

    • J029: Acute pharyngitis, unspecified

    Also known as:

    • Urinary Tract Infection
    • UTI
    • Bladder infection
    • Kidney infection
    • Urine infection

    ICD-10 Codes:

    • N390: Urinary tract infection, site not specified

    Also known as:

    • Croup
    • Throat Disorder
    • Acute Laryngitis
    • Laryngotracheobronchitis
    • Barking Cough

    ICD-10 Codes:

    • J050: Acute obstructive laryngitis [croup]

    Also known as:

    • Headache
    • Head pain
    • Cephalalgia
    • Tension headache

    ICD-10 Codes:

    • R519: Headache, unspecified

    Also known as:

    • Diarrhea
    • Loose stools
    • Runny poop
    • Frequent bowel movements

    ICD-10 Codes:

    • R197: Diarrhea, unspecified

    Which procedures does Dr. Cantu perform as a Pediatric Emergency Medicine Specialist?

    As a Pediatric Emergency Medicine Specialist, procedures performed by a Dr. Marissa Cantu may include:

    For detailed information, please contact Dr. Cantu's office.

    Does Dr. Cantu accept my insurance?

    Dr. Cantu accepts most major insurance plans. Important: Please call our office at (210) 358-1972 before your appointment to verify that your specific plan and network are accepted.

    What insurance plans does Dr. Cantu accept in San Antonio, TX?

    Dr. Cantu in San Antonio, TX accepts plans from many carriers. While this list is updated regularly, it is not a guarantee of coverage.

    Top Insurances

    • BCBS Unspecified

    • Centene

    • Community First Health Plans

    • CVS Health (formerly Aetna)

    • Department of Defense / Tricare

    • Department of Veterans Affairs

    • Health Care Service Corporation (HCSC)

    • Oscar Health Insurance Co

    • State of Texas

    • UnitedHealthcare

    View All Insurances

    Where is Dr. Cantu's office located?

    Dr. Marissa Cantu's Primary Practice

    4502 Medical Dr

    San Antonio, TX 78229

    (210) 358-1972

    Get Directions

    Dr. Marissa Cantu's Practice 2

    11133 Dunn Rd

    Saint Louis, MO 63136

    Get Directions

    Dr. Marissa Cantu's Practice 3

    1 Childrens Pl

    Saint Louis, MO 63110

    Get Directions

    What is Dr. Cantu's NPI number?An National Provider Identifier (NPI) is a unique ID number that identifies doctors and healthcare providers nationwide.

    Dr. Cantu's National Provider Identifier (NPI) number is 1871869933.

    What common questions do patients ask about Dr. Cantu?

    Here are answers to patients Frequently Asked Questions (FAQ’s) about Dr. Cantu

    What is Dr. Marissa Cantu's specialty?

    Dr. Cantu is a Pediatric Emergency Medicine Specialist near San Antonio, TX. A pediatrician with specialized qualifications in managing emergencies in infants and children, providing rapid, expert care for acute medical situations to ensure the best possible outcomes. Contact Dr. Cantu to book an appointment today.

    Is this Dr. Marissa Cantu affiliated with a ranked Castle Connolly Top Hospital?

    Yes, Dr. Cantu is affiliated with University Hospital-San Antonio which is a Castle Connolly Top Hospital. Castle Connolly Top Hospitals are healthcare institutions recognized for their excellence in specific medical procedures and overall patient care. They are identified through a rigorous peer nomination process, evaluating factors like patient outcomes, quality of care, and expertise. The list recognizes hospitals that excel in 20 or more specific medical procedures, representing the top 25% nationwide. Castle Connolly Top Hospitals

    Where can I learn more about Pediatric Emergency Medicine Specialist?

    Explore Pediatric Emergency Medicine Specialist with insights from trusted medical experts on EverydayHealth.com, where you'll find the most relevant content and helpful condition guides for up-to date information about symptoms, causes, diagnosis, treatment and more. See all our health guides to find trusted information on medical conditions from our experts at Everyday Health.

    Is Marissa Cantu accepting new patients in San Antonio, TX?

    Yes, Dr. Marissa Cantu is accepting new patients at this time.

    Does Dr. Marissa Cantu offer online booking?

    Please contact Dr. Cantu's office at (210) 358-1972 for information about online booking, telehealth, or to schedule an appointment.

    How can I make an appointment with Marissa Cantu?

    Please contact Dr. Cantu's office at (210) 358-1972 for information regarding telehealth appointment availability or for scheduling assistance.

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